YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 99.00 | r | 93.00 | d | 84.00 | 70.00 | b | 63.00 | d | ----- | z | |
1955 | 55.00 | b | 64.00 | 72.00 | 75.00 | 90.00 | 102.00 | d | 101.00 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 106.00 | i | 105.00 | 95.00 | 89.00 | 66.00 | 60.00 | ----- | z | |||||
1962 | 64.00 | 60.00 | 77.00 | a | 88.00 | 88.00 | 98.00 | 100.00 | 103.00 | a | 97.00 | 89.00 | 75.00 | 67.00 | 103.00 | b | ||||||||||
1963 | 57.00 | 74.00 | 70.00 | 82.00 | 90.00 | 93.00 | 101.00 | 101.00 | 95.00 | 91.00 | 74.00 | 60.00 | 101.00 | |||||||||||||
1964 | 67.00 | a | 64.00 | 76.00 | 84.00 | 92.00 | 100.00 | 102.00 | 100.00 | b | 94.00 | a | 93.00 | 75.00 | 73.00 | 102.00 | d | |||||||||
1965 | 70.00 | 74.00 | 78.00 | g | 92.00 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 98.00 | a | ----- | z | 104.00 | 95.00 | h | 90.00 | h | 69.00 | i | 64.00 | a | ----- | z | |
1993 | 56.00 | d | 61.00 | d | 77.00 | b | 78.00 | c | 90.00 | e | 94.00 | c | 100.00 | c | 101.00 | a | 98.00 | g | 89.00 | d | 68.00 | b | 67.00 | d | ----- | z |
1994 | 63.00 | 70.00 | d | 76.00 | 87.00 | a | 92.00 | c | 101.00 | 103.00 | c | 100.00 | b | 94.00 | b | 81.00 | 73.00 | a | 58.00 | b | 103.00 | r | ||||
1995 | 65.00 | a | 71.00 | a | 72.00 | a | 79.00 | d | 86.00 | d | 95.00 | c | 103.00 | a | 100.00 | 98.00 | d | 87.00 | c | 78.00 | e | 71.00 | ----- | z | ||
1996 | 67.00 | a | 69.00 | a | 76.00 | a | 85.00 | a | 94.00 | a | 97.00 | c | 102.00 | f | 102.00 | c | 99.00 | h | 92.00 | e | 73.00 | e | 65.00 | c | ----- | z |
1997 | 72.00 | c | 71.00 | e | 82.00 | i | 82.00 | e | 94.00 | h | 96.00 | h | 100.00 | l | 102.00 | l | 93.00 | k | 89.00 | l | ----- | z | 57.00 | i | ----- | z |
1998 | 66.00 | i | 59.00 | j | 76.00 | d | 82.00 | e | 81.00 | j | 94.00 | h | 107.00 | c | 103.00 | i | 97.00 | i | 77.00 | i | 73.00 | k | 63.00 | j | ----- | z |
1999 | 63.00 | m | 69.00 | m | 72.00 | p | 79.00 | n | 88.00 | o | 99.00 | k | 101.00 | n | 97.00 | n | 97.00 | l | 86.00 | n | 76.00 | m | 63.00 | k | ----- | z |
2000 | 67.00 | n | 70.00 | l | 74.00 | j | 87.00 | p | 95.00 | m | 97.00 | i | 103.00 | l | 104.00 | n | 97.00 | m | 88.00 | m | 64.00 | n | 56.00 | q | ----- | z |
2001 | 54.00 | l | 64.00 | n | 79.00 | o | 86.00 | k | 95.00 | l | 99.00 | l | 101.00 | g | 102.00 | j | 95.00 | l | 89.00 | j | 73.00 | m | 59.00 | m | ----- | z |
2002 | 62.00 | j | 73.00 | j | 71.00 | j | 80.00 | i | 98.00 | i | 99.00 | j | 108.00 | i | 101.00 | i | 95.00 | g | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | 73.00 | k | 59.00 | k | 77.00 | l | 77.00 | l | 99.00 | n | 97.00 | k | 106.00 | c | 99.00 | d | 93.00 | d | 91.00 | d | 70.00 | a | 63.00 | b | ----- | z |
2004 | 60.00 | b | 63.00 | b | 82.00 | b | 83.00 | h | 91.00 | b | 96.00 | 100.00 | 100.00 | 97.00 | c | 86.00 | 62.00 | 62.00 | 100.00 | s | ||||||
2005 | 53.00 | a | 61.00 | 74.00 | 78.00 | c | 91.00 | a | 97.00 | a | 104.00 | 98.00 | a | 94.00 | b | 88.00 | c | 80.00 | 67.00 | a | 104.00 | m | ||||
2006 | 64.00 | b | 65.00 | 70.00 | g | 79.00 | b | 92.00 | a | 102.00 | c | 103.00 | a | 98.00 | 95.00 | a | 87.00 | 78.00 | l | 62.00 | ----- | z | ||||
2007 | 67.00 | b | 67.00 | 80.00 | a | 87.00 | 91.00 | 99.00 | b | 106.00 | a | 100.00 | 97.00 | a | 85.00 | a | 72.00 | 58.00 | 106.00 | h | ||||||
2008 | 53.00 | c | 73.00 | c | 72.00 | b | 84.00 | a | 96.00 | b | 97.00 | a | 103.00 | b | 100.00 | b | 97.00 | b | 87.00 | a | 73.00 | 63.00 | a | 103.00 | t | |
2009 | 67.00 | 68.00 | 73.00 | 85.00 | 95.00 | a | 99.00 | 102.00 | a | 101.00 | 96.00 | a | 81.00 | a | 76.00 | a | 46.00 | 102.00 | e | |||||||
2010 | 58.00 | b | 60.00 | 76.00 | 78.00 | 81.00 | 100.00 | 101.00 | b | 102.00 | 94.00 | 93.00 | 78.00 | 66.00 | a | 102.00 | e | |||||||||
2011 | 62.00 | f | 68.00 | 77.00 | a | 80.00 | 85.00 | c | 98.00 | 100.00 | 100.00 | 93.00 | 86.00 | 68.00 | a | 69.00 | 100.00 | k | ||||||||
2012 | 64.00 | 61.00 | a | 75.00 | a | 92.00 | 92.00 | 102.00 | a | 101.00 | 101.00 | 96.00 | a | 87.00 | a | 72.00 | 69.00 | a | 102.00 | f | ||||||
2013 | 61.00 | 61.00 | 76.00 | a | 83.00 | 90.00 | 104.00 | 105.00 | 99.00 | 95.00 | a | 80.00 | 74.00 | b | 66.00 | 105.00 | d | |||||||||
2014 | 64.00 | 75.00 | 75.00 | 80.00 | 94.00 | 96.00 | 105.00 | 97.00 | 97.00 | 84.00 | 75.00 | 68.00 | a | 105.00 | a | |||||||||||
2015 | 68.00 | 74.00 | a | 82.00 | 83.00 | 96.00 | 102.00 | 101.00 | 101.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
2016 | ----- | z | 72.00 | 81.00 | 84.00 | 89.00 | 103.00 | 106.00 | 101.00 | d | 90.00 | 86.00 | f | 76.00 | 70.00 | e | ----- | z | ||||||||
2017 | 60.00 | t | 66.00 | 80.00 | 79.00 | 92.00 | 104.00 | 101.00 | a | 105.00 | 98.00 | p | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 102.00 | 94.00 | a | 83.00 | 71.00 | 61.00 | ----- | z | ||||
2019 | 62.00 | 66.00 | 71.00 | 85.00 | 84.00 | 95.00 | 102.00 | c | 100.00 | 97.00 | 82.00 | 71.00 | 63.00 | 102.00 | c | |||||||||||
2020 | 63.00 | 70.00 | 76.00 | 88.00 | 99.00 | 102.00 | 104.00 | 102.00 | 103.00 | 89.00 | 78.00 | 59.00 | 104.00 | |||||||||||||
2021 | 66.00 | 64.00 | a | 77.00 | 94.00 | 90.00 | 105.00 | 106.00 | 103.00 | 99.00 | 84.00 | 79.00 | 62.00 | 106.00 | a | |||||||||||
2022 | 60.00 | 71.00 | 86.00 | 84.00 | 96.00 | 101.00 | 105.00 | 102.00 | 105.00 | 85.00 | 67.00 | 61.00 | 105.00 | |||||||||||||
2023 | 55.00 | 61.00 | 62.00 | 88.00 | 94.00 | 94.00 | 110.00 | 98.00 | 89.00 | 86.00 | a | 77.00 | 69.00 | 110.00 | a | |||||||||||
2024 | 68.00 | 66.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 62.56 | 67.00 | 75.81 | 83.62 | 91.11 | 99.07 | 103.22 | 100.83 | 95.65 | 86.63 | 73.00 | 63.86 | 104.30 | |||||||||||||
S.D. | 5.25 | 4.81 | 4.61 | 4.64 | 3.99 | 3.38 | 2.58 | 1.97 | 3.36 | 3.63 | 4.35 | 5.28 | 2.58 | |||||||||||||
SKEW | -0.32 | 0.07 | -0.53 | 0.38 | -0.51 | -0.06 | 0.63 | 0.29 | 0.78 | 0.03 | -0.54 | -1.10 | 0.87 | |||||||||||||
MAX | 72.00 | 75.00 | 86.00 | 94.00 | 99.00 | 105.00 | 110.00 | 105.00 | 105.00 | 93.00 | 80.00 | 73.00 | 110.00 | |||||||||||||
MIN | 53.00 | 60.00 | 62.00 | 75.00 | 81.00 | 93.00 | 100.00 | 97.00 | 89.00 | 80.00 | 62.00 | 46.00 | 101.00 | |||||||||||||
YRS | 27 | 30 | 27 | 29 | 27 | 28 | 27 | 30 | 26 | 27 | 27 | 29 | 10 |